Home / 79,926.40-119,845.45-50,280.81

Finding the Fourth Proportional to 79,926.40, 119,845.45 and 50,280.81

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Solution

The fourth proportional to 79,926.40, 119,845.45 and 50,280.81 is: 75,393.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,926.40 : 119,845.45 = 50,280.81 : x
  2. Step 2: Convert to fraction form
    79,926.40/119,845.45 = 50,280.81/x
  3. Step 3: Cross multiply
    79,926.40x = 119,845.45 × 50,280.81
  4. Step 4: Simplify right side
    79,926.40x = 6,025,926,300.81
  5. Step 5: Solve for x
    x = 6,025,926,300.81/79,926.40
  6. Step 6: Final answer
    x = 75,393.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.